<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>姓名案例_methods实现</title>
    <!-- 引入vue -->
    <script type="text/javascript" src="../js/vue.js"></script>
</head>
<body>
    <div id="root">
        姓：<input type="text" v-model ="fristName"><br>
        名：<input type="text" v-model ="lastName"><br>
        全名：<sapn>{{fullName()}}</span>
    </div>
</body>
<script type="text/javascript">
    Vue.config.productionTip = false //阻止vue在启动生成生产提示。

 new Vue({
        el:'#root',
        data:{
         fristName:'张',
         lastName:'三'
            },
         methods:{
            fullName(){
                console.log('@---fullName')
                return this.fristName + '-' +this.lastName 
            }
         }
   
        })
</script>
</html>